A kind of self-circulation type saves temp difference engine
Technical field
The present invention relates to technical field of engines, more particularly to a kind of self-circulation type energy-conservation temp difference engine.
Background technology
The energy is increasingly in short supply at present, forces and has to use the new energy, improves energy use efficiency.Stirling is a kind of
Famous thermomotor, and a kind of temp difference engine, it has efficiency high, pollutes low advantage, but Stirling engine
There is the defects of very big, it is using the design of heating cylinder and cooling cylinder, cylinder body inherently heat exchanger, the limited surface area of cylinder body
Its heat-exchange capacity is limited, therefore is difficult to make powerful machine, current known peak power is also less than 200kw.Always
It, limits its use range the defects of Stirling engine itself, and the research enthusiasm to Stirling engine is high, application
Case is seldom.
In addition, the heat energy of Stirling engine can only utilize once, it is impossible to reuse, without heat exchanger(It is also known as hot
Can recover), mechanical efficiency is low, big to low temperature side effect, and most of heat energy all wastes.
The content of the invention
In order to solve the deficiency of above-mentioned prior art, the purpose of the present invention is:A kind of self-circulation type energy-conservation temperature difference hair is provided
Motivation.
A kind of self-circulation type saves temp difference engine, it is characterised in that including the low temperature cylinder 1 being arranged on same root bent axle
With high temperature cylinder 2, the cylinder head of the low temperature cylinder 1 sets discharge duct 3 and admission line 6 respectively, and the discharge duct 3 connects hot friendship
The low temperature port 5 of parallel operation 4, the admission line 6 are connected with the low temperature port 7 of heat exchanger 4, also set in the cylinder head of the low temperature cylinder 1
Put the valve 9 for controlling discharge duct 3 to be vented respectively and the valve 8 of the control air inlet of admission line 6;
The cylinder head of the high temperature cylinder 2 sets discharge duct 12 and admission line 10 respectively, and the discharge duct 12 connects heat
The high temperature port 13 of exchanger 4, the admission line 10 is connected with the high temperature port 11 of heat exchanger 4, in the cylinder head of the high temperature cylinder 2
Also set up the valve 15 for controlling discharge duct 12 to be vented respectively and the valve 14 of the control air inlet of admission line 10;
The air inlet of cooler 16 is connected in the low temperature port 7 of the heat exchanger 4, in the temperature end of heat exchanger 4
Firing equipment 17 is provided with mouth 11, the firing equipment 17 is recirculation heater.
Piston component is provided with the low temperature cylinder 1 and high temperature cylinder 2, the piston component includes piston, piston rod, piston
Ring, connects the piston pin of piston and piston rod, and the piston rod is arranged on the bent axle.
The heat exchanger 4 is multiple field heat exchanger:The heat exchanger 4 is provided with low temperature port and high temperature port, low
Warm port is two layers of tubular construction that low-temperature end upper strata is managed, low-temperature end inner tube is set from outside to inside;High temperature port is outside temperature end
Two layers of tubular construction that layer pipe, temperature end inner tube are set from outside to inside;High temperature port passes through discharge duct 3 and admission line respectively
One end of 6 connection temperature end outer tubes and temperature end inner tube;Low temperature port is low-temperature end outer tube, low-temperature end inner tube by outer
To two layers of tubular construction of interior setting;Low temperature port respectively by discharge duct 12 and admission line 10 connect low-temperature end outer tube and
One end of low-temperature end inner tube.
The other end of the low-temperature end outer tube and low-temperature end inner tube passes through pipeline connection, the connection low-temperature end outer layer
Pipe passes through pipeline connection with the pipeline of low-temperature end inner tube and the other end of temperature end inner tube;
The other end of the temperature end outer tube and temperature end inner tube passes through pipeline connection, the connection temperature end outer layer
Pipe and the pipeline of temperature end inner tube pass through pipeline connection with the other end of low-temperature end inner tube.
The piston area of the high temperature cylinder 2 is more than the area of the piston of low temperature cylinder 1, when the piston of two cylinder bodies operates simultaneously
There are Volume Changes, while discharge pressure, externally acting;The piston area of high temperature cylinder 2 and the area ratio of the piston of low temperature cylinder 1 it is big
Small is that can set gases expansion volume according to temperature difference.
The cooler 16 is chimney cooler.
The present invention the course of work be:Reference picture 1:When the piston of low temperature cylinder 1 is run from A ends to B ends, suction comes from
The low temperature port 7 of heat exchanger 4 and the cryogenic gas cooled down, while the piston of high temperature 2 is run from B ends to A ends, by high-temperature gas
The high temperature port 13 of heat exchanger 4 is discharged to, valve 8 and valve 15 are opened, and valve 9 and valve 14 are closed, and pass through discharge duct 12
Gas cooler 16 and heat exchanger 4 cooled down, contraction of gas, pressure reduce, produce negative pressure, externally acting because high
The piston area of warm cylinder 2 is more than the piston area of low temperature cylinder 1, and the only piston of low temperature cylinder 1 is run from A ends to B ends, high temperature cylinder 2
Piston from B ends to A ends run when volume reduction;Acting=(2 areas of the high temperature cylinder piston-area of low temperature cylinder piston 1) × pressure,
After the completion of this process, Fig. 2 working condition will be turned into;Gas temperature above heat exchanger 4 is higher than following gas
Temperature, gas above is flowed from temperature end 13 to low-temperature end 7, the more walks the more low, because heat transmits downwards, gas below
It is to be flowed from low-temperature end 5 to temperature end 11, the more walks the more high, receives the heat transmitted above, the gas flow engine of heating, add
Hot equipment 17 is supplement heat energy, a heat-energy losses part, externally acting consumption heat energy, arrow in gas flow direction such as Fig. 1 and Fig. 2
Leader shows.Valve 9 and valve 14 are opened when in Fig. 2 working conditions, and valve 8 and valve 15 are closed, the opening and closing of valve
It is to be automatically controlled by the angle of flywheel operating, air pressure is to all directions transmission, the pressure phase of discharge duct 12 and admission line 6
Deng the piston area of low temperature cylinder 1 is small, and the pressure being subject to is small, and the piston area of high temperature cylinder 2 is big, and the pressure being subject to is big, whole while motion
Individual volume expands, and pressure reduces, externally acting.
Referring to Fig. 2:When the piston of low temperature cylinder 1 is run from B ends to A ends, cryogenic gas is arranged the low temperature of heat exchanger 4
Port 5, while the piston of high temperature cylinder 1 is run from A ends to B ends, suction carrys out the heated High Temperature Gas in the high temperature port 9 of automatic heat-exchanger 4
Body;Valve 9 and valve 14 are opened, and valve 8 and valve 15 are closed, the preheating and firing equipment 17 that gas passes through heat exchanger 4
Heated, gas expansion, pressure rise, produce high pressure, externally acting.Because the piston area of high temperature cylinder 2 is more than low temperature cylinder 1
Piston area, when low temperature cylinder 1 piston from B ends to A ends run, high temperature cylinder 2 from A ends to B ends run when volume increase.Acting=
(the big piston area of the high temperature cylinder 2-piston area of low temperature cylinder 1) × pressure, Fig. 1 working condition will be turned into, so under circulation
Go.
By testing, the beneficial effects of the invention are as follows:Simple in construction, mechanical efficiency is high, just can be by heat simply by the presence of the temperature difference
Mechanical energy can be converted into;The present invention engine convert heat into mechanical energy, using when exhaust heat-energy can with it is present
Engine(Diesel engine, gasoline engine)It is used in combination.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention
Fig. 2 is the structural representation of the embodiment of the present invention.
Wherein, reference is:1st, low temperature cylinder;2nd, high temperature cylinder;3rd, discharge duct;4th, heat exchanger;5th, low temperature port;6、
Admission line;7th, low temperature port;8th, valve;9th, valve;10th, feed channel;11st, high temperature port;12nd, discharge duct;13rd, high temperature
Port;14th, valve;15th, valve;16th, cooler;17th, firing equipment.
Embodiment
In order to the technical characterstic of clear explanation this programme, below by embodiment, this programme is illustrated.
Embodiment 1
Referring to Fig. 1 and Fig. 2, the present invention is:A kind of self-circulation type saves temp difference engine, it is characterised in that including setting
Low temperature cylinder 1 and high temperature cylinder 2 on same root bent axle, the cylinder head of the low temperature cylinder 1 set discharge duct 3 and admission line respectively
6, the discharge duct 3 connects the low temperature port 5 of heat exchanger 4, and the admission line 6 is connected with the low temperature port 7 of heat exchanger 4,
The valve 9 for controlling discharge duct 3 to be vented respectively and the gas of the control air inlet of admission line 6 are also set up in the cylinder head of the low temperature cylinder 1
Door 8;
The cylinder head of the high temperature cylinder 2 sets discharge duct 12 and admission line 10 respectively, and the discharge duct 12 connects heat
The high temperature port 13 of exchanger 4, the admission line 10 is connected with the high temperature port 11 of heat exchanger 4, in the cylinder head of the high temperature cylinder 2
Also set up the valve 15 for controlling discharge duct 12 to be vented respectively and the valve 14 of the control air inlet of admission line 10;
The air inlet of cooler 16 is connected in the low temperature port 7 of the heat exchanger 4, in the temperature end of heat exchanger 4
Firing equipment 17 is provided with mouth 11.
Piston component is provided with the low temperature cylinder 1 and high temperature cylinder 2, the piston component includes piston, piston rod, and connection is lived
The piston pin of plug and piston rod, the piston rod are arranged on the bent axle.
The heat exchanger 4 is multiple field heat exchanger:The heat exchanger 4 is provided with low temperature port and high temperature port, low
Warm port is two layers of tubular construction that low-temperature end upper strata is managed, low-temperature end inner tube is set from outside to inside;High temperature port is outside temperature end
Two layers of tubular construction that layer pipe, temperature end inner tube are set from outside to inside;High temperature port passes through discharge duct 3 and admission line respectively
One end of 6 connection temperature end outer tubes and temperature end inner tube;Low temperature port is low-temperature end outer tube, low-temperature end inner tube by outer
To two layers of tubular construction of interior setting;Low temperature port respectively by discharge duct 12 and admission line 10 connect low-temperature end outer tube and
One end of low-temperature end inner tube.
The other end of the low-temperature end outer tube and low-temperature end inner tube passes through pipeline connection, the connection low-temperature end outer layer
Pipe passes through pipeline connection with the pipeline of low-temperature end inner tube and the other end of temperature end inner tube;
The other end of the temperature end outer tube and temperature end inner tube passes through pipeline connection, the connection temperature end outer layer
Pipe and the pipeline of temperature end inner tube pass through pipeline connection with the other end of low-temperature end inner tube.
The piston area of the high temperature cylinder 2 is more than the area of the piston of low temperature cylinder 1, when the piston of two cylinder bodies operates simultaneously
Because there are Volume Changes, while pressure is discharged, externally acting;The piston area of high temperature cylinder 2 and the area ratio of the piston of low temperature cylinder 1
Size be that can set gases expansion volume according to temperature difference.
The cooler 16 is chimney cooler.
The firing equipment 17 is recirculation heater.
The present invention the course of work be:Reference picture 1:When the piston of low temperature cylinder 1 is run from A ends to B ends, suction comes from
The low temperature port 7 of heat exchanger 4 and the cryogenic gas cooled down, while the piston of high temperature 2 is run from B ends to A ends, by high-temperature gas
The high temperature port 13 of heat exchanger 4 is discharged to, valve 8 and valve 15 are opened, and valve 9 and valve 14 are closed, and pass through discharge duct 12
Gas cooler 16 and heat exchanger 4 cooled down, contraction of gas, pressure reduce, produce negative pressure, externally acting because high
The piston area of warm cylinder 2 is more than the piston area of low temperature cylinder 1, and the only piston of low temperature cylinder 1 is run from A ends to B ends, high temperature cylinder 2
Piston from B ends to A ends run when volume reduction;Acting=(1 area of the high temperature cylinder piston-area of low temperature cylinder piston 1) × pressure,
After the completion of this process, Fig. 2 working condition will be turned into.
Gas temperature above heat exchanger 4 is higher than following gas temperature, gas above be from temperature end 13 to
Low-temperature end 7 flows, and the more walks the more low, because what heat transmitted downwards, gas below is flowed from low-temperature end 5 to temperature end 11,
The more walk the more high, receive the heat transmitted above, the gas flow engine of heating, firing equipment 17 is supplement heat energy, and heat energy damages
Arrows in a mistake part, external acting consumption heat energy, gas flow direction such as Fig. 1 and Fig. 2.When in Fig. 2 working conditions
Valve 9 and valve 14 are opened, and valve 8 and valve 15 are closed, and the opening and closing of valve are controlled automatically by the angle of flywheel operating
System, air pressure is to all directions transmission, and discharge duct 12 is equal with the pressure of admission line 6, and the piston area of low temperature cylinder 1 is small, by
Pressure it is small, the piston area of high temperature cylinder 2 is big, and the pressure being subject to is big, and whole volume expands while motion, and pressure reduces, externally
Acting.
Referring to Fig. 2:When the piston of low temperature cylinder 1 is run from B ends to A ends, cryogenic gas is arranged the low temperature of heat exchanger 4
Port 5, while the piston of high temperature cylinder 1 is run from A ends to B ends, suction carrys out the heated High Temperature Gas in the high temperature port 9 of automatic heat-exchanger 4
Body;Valve 9 and valve 14 are opened, and valve 8 and valve 15 are closed, and gas is heated by heat exchanger 4 and firing equipment 17,
Gas expansion, pressure rise, high pressure is produced, externally acting.Because the piston area of high temperature cylinder 2 is more than the piston area of low temperature cylinder 1,
When low temperature cylinder 1 piston from B ends to A ends run, high temperature cylinder 2 from A ends to B ends run when volume increase.Acting=(high temperature cylinder 2 is lived
Fill in area-piston area of low temperature cylinder 1) × pressure, Fig. 1 working condition will be turned into, so circulate.
Technical characteristic of the invention without description can be realized by or using prior art, will not be repeated here, certainly,
It is limitation of the present invention that described above, which is not, and the present invention is also not limited to the example above, the ordinary skill of the art
The variations, modifications, additions or substitutions that personnel are made in the essential scope of the present invention, it should also belong to the present invention.